1-(Isoquinolin-3-yl)ethanone

Also known as: 1-isoquinolin-3-yl-ethanone, 1-isoquinolin-3-ylethanone, 3-acetylisoquinoline, Ethanone, 1-(3-isoquinolinyl)-

1-(Isoquinolin-3-yl)ethanone (CAS 91544-03-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO and a molecular weight of 171.19500 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 91544-03-5
Jingsj CID: J-1014119-2
Molecular Formula: C₁₁H₉NO
Molecular Weight: 171.19500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	171.06800
PSA	29.96000
LogP	2.43740

Customs & Trade Information

HS Code	2933499090
Summary	2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(Isoquinolin-3-yl)ethanone?

The CAS number of 1-(Isoquinolin-3-yl)ethanone is 91544-03-5.

What are the molecular formula and molecular weight of 1-(Isoquinolin-3-yl)ethanone?

1-(Isoquinolin-3-yl)ethanone has molecular formula C11H9NO and molecular weight 171.19500 g/mol.

What are the upstream and downstream products of 1-(Isoquinolin-3-yl)ethanone?

For 1-(Isoquinolin-3-yl)ethanone, Upstream Products: 3-Isoquinolinecarbonitrile, n-Butyl vinyl ether, Tributyl(1-ethoxyvinyl)stannane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-(Isoquinolin-3-yl)ethanone (CAS 91544-03-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1014119-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.